AMD Ryzen AI 7 345 vs Intel Core Ultra 5 235H Comparison

Head-to-Head Benchmarks

The benchmark data leaves no ambiguity about the overall performance hierarchy between these two mobile processors. The Intel Core Ultra 5 235H wins every single head-to-head comparison in the database, taking all 15 recorded tests. The AMD Ryzen AI 7 345 does not secure a single victory, which makes the performance gap stark and consistent across workloads.

The largest margin appears in Cinebench R23 multicore, where the Intel part scores 25,598 against AMD's 11,461. That is a delta of -55.2%, meaning the AMD processor delivers less than half the multi-threaded rendering performance. The R15 multicore test tells a similar story: Intel scores 2,580 versus AMD's 1,712, a 33.6% gap. These results indicate that for heavily threaded productivity tasks like 3D rendering, video encoding, or simulation, the Intel processor holds a commanding advantage.

Single-core performance also favors Intel decisively. In Cinebench R23 single-core, Intel scores 3,613 while AMD manages 1,818, for a 49.7% deficit on the AMD side. The R15 single-core test shows Intel at 364 versus AMD at 271, a 25.5% difference. The PassMark single-thread test narrows the gap to 11.1%, with Intel scoring 4,359 and AMD scoring 3,875. Still, Intel wins outright.

Mathematical workloads reveal even larger disparities. PassMark floating-point math sees Intel score 93,509 versus AMD's 42,621, a 54.4% gap. The prime number search test is particularly lopsided: Intel scores 239 while AMD scores just 62, a 74.1% deficit for AMD. This suggests the Intel architecture handles certain integer-heavy algorithms far more efficiently. Data encryption shows Intel at 23,121 versus AMD's 11,814, a 48.9% gap. Extended instruction tests show Intel at 23,354 versus AMD's 17,003, a 27.2% difference.

The smallest margins appear in integer math and single-thread tests. PassMark integer math sees Intel at 74,247 versus AMD's 63,475, a 14.5% gap. Random string sorting shows Intel at 36,208 versus AMD's 25,435, a 29.8% difference. Data compression favors Intel at 301,979 versus AMD's 237,484, a 21.4% margin. Multithread performance in PassMark gives Intel 30,091 versus AMD's 19,927, a 33.8% gap. The physics test shows Intel at 1,985 versus AMD's 1,089, a 45.1% difference.

The average benchmark score in the database confirms the overall picture. Intel's average is 37,522, which places it in the 85th percentile of all CPUs. AMD's average is 29,461, placing it in the 81st percentile. The Intel part sits close to the Intel Core i9-13900HK in the database, with a delta of only 0.3%, and near the Intel Core i5-13600K at -0.4%. The AMD part sits near the AMD Ryzen 7 3800X with a delta of 0%, and just ahead of the AMD EPYC 9654 at 0.2%.

FAQ

Q: Which processor has the higher boost clock?

A: The Intel Core Ultra 5 235H boosts to 5.00 GHz, while the AMD Ryzen AI 7 345 reaches 4.60 GHz.

Q: How many cores and threads does each processor have?

A: The AMD Ryzen AI 7 345 has 6 cores and 12 threads. The Intel Core Ultra 5 235H has 14 cores and 14 threads.

Q: What is the largest single benchmark margin between these two processors?

A: The largest margin is in PassMark find prime numbers, where Intel scores 239 versus AMD's 62, a 74.1% difference in favor of Intel.

Q: Which processor has higher memory bandwidth?

A: The Intel Core Ultra 5 235H supports 102.4 GB/s, while the AMD Ryzen AI 7 345 supports 89.6 GB/s.

Q: Are both processors built on the same process node?

A: No. Intel uses a 3 nm node, while AMD uses a 4 nm node. Both are fabricated by TSMC.

Q: Do both processors support ECC memory?

A: No. Both processors report ECC memory as false, so neither supports ECC memory.

The Verdict

The data directs a clear conclusion: the Intel Core Ultra 5 235H is the faster processor in nearly every measurable way. With 15 wins out of 15 head-to-head tests, it dominates both single-threaded and multi-threaded workloads. The average benchmark score of 37,522 versus 29,461 means Intel sits roughly 27% higher on average, and its 85th percentile ranking versus AMD's 81st percentile confirms that it competes in a higher performance tier.

The AMD Ryzen AI 7 345 does have a lower power envelope on paper, with the same 28 W TDP as the Intel part, but the benchmark results show no workload where AMD's architecture compensates for its lower core count and clock speeds. The AMD processor trails by double digits in most tests, and by more than 50% in several. There is no category in the recorded data where AMD wins, so a user prioritizing raw performance should select the Intel part without hesitation.

For users who care about integrated graphics, the database lists AMD's Radeon 840M and Intel's Arc Graphics 140T, but no benchmark scores for those iGPUs appear in the data. Based solely on CPU benchmarks, the Intel Core Ultra 5 235H is the superior choice for rendering, math-heavy tasks, encryption, and general multithreaded work. The AMD part remains a functional mobile processor, but it does not match the Intel part in any recorded test.

Specification Differences

The two processors differ across nearly every core specification. AMD offers 6 cores and 12 threads, while Intel offers 14 cores and 14 threads. Intel has more than double the core count, but no hyperthreading, so thread count equals core count. AMD uses simultaneous multithreading to reach 12 threads from 6 cores.

Base clocks differ: AMD runs at 2.00 GHz, Intel at 2.40 GHz. Boost clocks also differ: AMD reaches 4.60 GHz, Intel reaches 5.00 GHz. Both have a 28 W TDP, so power draw is nominally equal, but Intel extracts higher performance from the same thermal budget.

Socket and platform differ completely. AMD uses AMD Socket FP8, while Intel uses Intel BGA 2049. These are not interchangeable, so the motherboard or laptop design dictates which processor can be used.

Cache configurations are very different. AMD provides 80 KB L1 per core and 1 MB L2 per core, with 4 MB of L3. Intel provides 192 KB L1 per core and 3 MB L2 per core, with 18 MB of shared L3. Intel's larger L3 cache likely contributes to its advantage in multi-threaded and data-heavy tests.

Memory bandwidth differs: AMD supports 89.6 GB/s, Intel supports 102.4 GB/s. Both use DDR5 and LPDDR5X memory, both are dual-channel, and neither supports ECC. PCIe support also differs: AMD provides Gen 4 with 14 CPU lanes, while Intel provides Gen 5 with 8 CPU lanes.

The integrated graphics differ as well: AMD has Radeon 840M, Intel has Arc Graphics 140T. No iGPU benchmarks are recorded in the database.

Architecture Differences

AMD's Ryzen AI 7 345 uses the Krackan Point codename and belongs to the Ryzen AI 300 generation based on Zen 5 and Zen 5c cores. Intel's Core Ultra 5 235H uses the Arrow Lake architecture, specifically Arrow Lake-H, and belongs to the Core Ultra Series 2 generation.

The process nodes differ: AMD uses a 4 nm TSMC process, Intel uses a 3 nm TSMC process. This gives Intel a denser transistor layout, which may contribute to its higher clock speeds and better performance per watt.

Core topology differs fundamentally. AMD uses a hybrid of Zen 5 and Zen 5c cores, which typically means a mix of high-performance and high-efficiency cores. Intel's Arrow Lake-H uses a different hybrid design, with performance cores and efficiency cores, though the exact core composition is not specified in the data. The result is that Intel delivers 14 cores versus AMD's 6, and the benchmarks show Intel's approach yields far higher multi-threaded scores.

Cache architecture differs significantly. AMD's per-core L1 at 80 KB and L2 at 1 MB are smaller than Intel's 192 KB L1 and 3 MB L2 per core. Intel's L3 is 18 MB shared, compared to AMD's 4 MB L3. The larger caches on Intel likely reduce memory latency and improve performance in cache-sensitive workloads.

Memory bandwidth also favors Intel at 102.4 GB/s versus AMD's 89.6 GB/s, which helps in memory-bound tasks. PCIe generation differs too: Intel supports Gen 5, AMD supports Gen 4, though Intel provides fewer CPU lanes (8 versus 14).

Where Each One Wins

Based on the recorded benchmarks, the Intel Core Ultra 5 235H wins in every category. There is no test where the AMD Ryzen AI 7 345 comes out ahead. However, the magnitude of the margins varies, which offers some insight into workload suitability.

For multi-threaded rendering and heavy compute, Intel dominates. Cinebench R23 multicore shows a 55.2% advantage, Cinebench R15 multicore shows a 33.6% advantage, and PassMark multithread shows a 33.8% advantage. Users running CPU-based 3D rendering, video transcoding, or scientific simulations should strongly favor Intel.

For single-threaded responsiveness, Intel still leads but by a smaller margin in some tests. PassMark single-thread shows an 11.1% gap, which is the smallest deficit AMD faces. Cinebench R23 single-core shows a 49.7% gap, so the margin depends heavily on the test methodology. In lighter, latency-sensitive tasks like web browsing or office productivity, the Intel part remains faster, but the gap narrows.

For mathematical workloads, Intel's advantage is extreme. Floating-point math shows a 54.4% gap, prime number search shows a 74.1% gap, and extended instructions show a 27.2% gap. Data encryption shows a 48.9% gap. These results suggest Intel's execution units handle complex arithmetic far more efficiently.

For data-heavy operations, Intel leads in compression by 21.4% and random string sorting by 29.8%. The larger L3 cache and higher memory bandwidth likely contribute to these wins.

The AMD processor does not win any recorded benchmark. Its lower core count, smaller cache, and lower clocks put it at a disadvantage across the board. For users already invested in AMD's platform or looking for a specific integrated GPU, the Ryzen AI 7 345 remains a functional choice, but the data shows no performance scenario where it beats the Intel Core Ultra 5 235H.